102430225531 has 4 divisors (see below), whose sum is σ = 102458116552. Its totient is φ = 102402334512.

The previous prime is 102430225493. The next prime is 102430225561. The reversal of 102430225531 is 135522034201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102430225531 - 2¹³ = 102430217339 is a prime.

It is a super-2 number, since 2×102430225531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102430225531.

It is not an unprimeable number, because it can be changed into a prime (102430225561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13940001 + ... + 13947346.

It is an arithmetic number, because the mean of its divisors is an integer number (25614529138).

Almost surely, 2^102430225531 is an apocalyptic number.

102430225531 is a deficient number, since it is larger than the sum of its proper divisors (27891021).

102430225531 is an equidigital number, since it uses as much as digits as its factorization.

102430225531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27891020.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 102430225531 its reverse (135522034201), we get a palindrome (237952259732).

The spelling of 102430225531 in words is "one hundred two billion, four hundred thirty million, two hundred twenty-five thousand, five hundred thirty-one".